©2015 Thermaco, Inc. All rights reserved • Patented/Patents Pending • Specifications subject to change without notice
Thermaco, Inc. • 646 Greensboro St. • Asheboro, N. C. 27204-2548 • Phone (336) 629-4651
MNL-ISPS50000 12
50000 Series
FLOW CONTROL VENT
MAY BE CONNECTED TO
ATMOSPHERE VENT,
FACILITY VENT, OR
CODE-APPROVED AIR
ADMITTANCE VALVE.*
TO BE INSTALLED
ABOVE SINK FLOOD
RIM.
*Air Admittance Valves are not
permitted in some locations such
as Massachusetts. Check local
plumbing code to determine if
they are permitted by state or local
plumbing code.
VFCA Vented Flow Control
Installation Instructions
IMPORTANT!
The flow control should be installed after the last fixture as close as possible to the
under side of the lowest fixture. If the flow control is installed more than 2 feet
below the lowest fixture consult the manufacturer for a more restrictive disc.
Remove the rubber flow control from the Big Dipper system.
Note: This equipment must be installed to comply with all
applicable national, state, and local plumbing codes for your area.
Installation should only be performed by a qualified plumber.